:root{--bg:#faf8f5;--surface:#fff;--surface-2:#f3efe7;--border:#e5dfd4;--text:#1b1917;--text-muted:#6b665e;--accent:#d97752;--accent-hover:#bf5d3b;--accent-soft:rgba(217,119,82,.08);--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 12px rgba(0,0,0,.08);--shadow-lg:0 16px 40px rgba(217,119,82,.18);--radius:14px;--max-w:1100px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text)}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:hsla(36,33%,97%,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--max-w);margin:0 auto}.nav-brand{font-weight:700;font-size:18px;letter-spacing:-.02em}.nav-brand .dot{color:var(--accent)}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{color:var(--text-muted);font-size:14px;font-weight:500}.nav-links a:hover{color:var(--text)}.nav-cta{padding:7px 14px;background:var(--accent);color:#fff!important;border-radius:999px;font-weight:500;font-size:13.5px;box-shadow:0 1px 2px rgba(217,119,82,.25);transition:transform .15s,box-shadow .15s}.nav-cta:hover{transform:translateY(-1px);box-shadow:0 3px 8px rgba(217,119,82,.35)}.hero{padding:80px 24px 60px;text-align:center;max-width:880px;margin:0 auto}.hero h1{font-size:clamp(36px,6vw,60px);font-weight:700;letter-spacing:-.03em;line-height:1.05;margin:0 0 24px}.hero h1 .accent{color:var(--accent)}.hero p.lede{font-size:18px;color:var(--text-muted);max-width:640px;margin:0 auto 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.2s}.price-card:hover{box-shadow:var(--shadow-md)}.price-card.featured{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:scale(1.02);position:relative}.price-card.featured:before{content:"推荐";position:absolute;top:-10px;right:16px;background:var(--accent);color:#fff;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:500}.price-label{font-size:14px;color:var(--text-muted);font-weight:500;margin-bottom:4px}.price-tagline{font-size:13px;color:var(--text-muted);margin:0 0 16px;min-height:36px}.price-amount{font-size:38px;font-weight:700;letter-spacing:-.02em}.price-amount .currency{font-size:18px;color:var(--text-muted);font-weight:400}.price-amount .period{font-size:13px;color:var(--text-muted);font-weight:400;margin-left:4px}.price-features{list-style:none;padding:0;margin:20px 0;flex:1 1}.price-features li{font-size:13.5px;padding:6px 0 6px 20px;position:relative;color:var(--text)}.price-features li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:600}.price-cta{display:block;width:100%;text-align:center;padding:10px;border-radius:10px;background:var(--surface-2);color:var(--text);font-weight:500;font-size:14px;transition:all .15s}.price-cta:hover{background:var(--border)}.price-card.featured .price-cta{background:var(--accent);color:#fff}.price-card.featured .price-cta:hover{background:var(--accent-hover)}.faq-list{max-width:720px;margin:0 auto}.faq-item{padding:20px 0;border-bottom:1px solid var(--border)}.faq-item h4{margin:0 0 8px;font-size:16px}.faq-item p{margin:0;font-size:14.5px}.faq-item p,.footer{color:var(--text-muted)}.footer{padding:40px 24px;text-align:center;font-size:13px;border-top:1px solid var(--border);background:var(--surface-2)}.footer a{color:var(--text)}.form-card{max-width:560px;margin:60px auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px}.form-card h2{margin:0 0 8px;font-size:24px}.form-card .lede{color:var(--text-muted);margin:0 0 24px;font-size:14.5px}.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-row label{font-size:13.5px;font-weight:500}.form-row input,.form-row select,.form-row textarea{padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:14px;background:var(--bg);font-family:inherit;transition:border .15s}.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--accent)}.notice{background:var(--accent-soft);color:var(--text);border-radius:10px;padding:12px 14px;font-size:13px;margin:16px 0;border-left:3px solid var(--accent)}